package com.freesky.web.controller.common;

import java.io.File;
import java.util.ArrayList;
import java.util.Date;
import java.util.List;
import java.util.Random;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import cn.hutool.core.date.DateUtil;
import com.freesky.biz.utils.SeqUtil;
import com.freesky.common.core.controller.BaseController;
import com.freesky.common.core.page.TableDataInfo;
import com.freesky.common.enums.ExportStatusEnum;
import com.freesky.common.utils.SecurityUtils;
import com.freesky.common.utils.file.MimeTypeUtils;
import com.freesky.common.utils.file.OssUtils;
import com.freesky.system.domain.TExportRecord;
import com.freesky.system.domain.TImportRecord;
import com.freesky.system.service.ITExportRecordService;
import com.freesky.system.service.ITImportRecordService;
import io.swagger.annotations.ApiImplicitParam;
import io.swagger.annotations.ApiOperation;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.http.MediaType;
import org.springframework.security.access.prepost.PreAuthorize;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;
import org.springframework.web.multipart.MultipartFile;
import com.freesky.common.config.ProjectConfig;
import com.freesky.common.constant.Constants;
import com.freesky.common.core.domain.AjaxResult;
import com.freesky.common.utils.StringUtils;
import com.freesky.common.utils.file.FileUploadUtils;
import com.freesky.common.utils.file.FileUtils;
import com.freesky.framework.config.ServerConfig;

/**
 * 通用请求处理
 * 
 * @author ruoyi
 */
@RestController
@RequestMapping("/common")
public class CommonController extends BaseController
{
    private static final Logger log = LoggerFactory.getLogger(CommonController.class);

    @Autowired
    private ServerConfig serverConfig;

    @Autowired
    private OssUtils ossUtils;

    @Value("${oss.host}")
    private String host;


    private static final String FILE_DELIMETER = ",";

    @Autowired
    private ITExportRecordService tExportRecordService;

    @Autowired
    private ITImportRecordService importRecordService;


    @PreAuthorize("@ss.hasPermi('common:listReport:${bizType}')")
    @GetMapping(value = "/common/listReport")
    public TableDataInfo listReport(String bizType) {
        startPage();
        List<TImportRecord> list = importRecordService.selectImportBizType(bizType);
        return getDataTable(list);
    }

    /**
     * 导出记录（common:listExportReport:COUPON_BILL_SUMMARY
     */
    @ApiOperation("导出记录")
    @PreAuthorize("@ss.hasPermi('common:listExportReport:${bizType}')")
    @ApiImplicitParam(name = "bizType", value = "导出文件记录业务类型", required = true, dataType = "String", paramType = "query")
    @GetMapping(value = "/common/listExportReport")
    public TableDataInfo listExportReport(String bizType) {
        startPage();
        List<TExportRecord> list = tExportRecordService.selectRecordExportBizType(bizType);
        return getDataTable(list);
    }

    @ApiOperation("下载批导记录的文件")
    @RequestMapping(value = "common/downloadExcel")
    public void fileDownload(Long id, Long fileType, HttpServletResponse response, HttpServletRequest request) {
        importRecordService.fileExcel(id, fileType, response, request);
    }

    /**
     * 下载批导记录的文件
     *
     * @param id       批导记录Id
     * @param fileType 批导记录文件类型
     */
    @ApiOperation("下载批导记录的文件")
    @RequestMapping(value = "common/downloadExportExcel")
    public void fileDownloadExport(Long id, Long fileType, HttpServletResponse response, HttpServletRequest request) {
        tExportRecordService.fileExcel(id, fileType, response, request);
    }

    /**
     * 通用下载请求
     * 
     * @param fileName 文件名称
     * @param delete 是否删除
     */
    @GetMapping("/download")
    public void fileDownload(String fileName, Boolean delete, HttpServletResponse response, HttpServletRequest request) {
        try {
            if (!FileUtils.checkAllowDownload(fileName)) {
                throw new Exception(StringUtils.format("文件名称({})非法，不允许下载。 ", fileName));
            }

            String realFileName = System.currentTimeMillis() + fileName.substring(fileName.indexOf("_") + 1);
            String filePath = ProjectConfig.getDownloadPath() + fileName;

            response.setContentType(MediaType.APPLICATION_OCTET_STREAM_VALUE);
            FileUtils.setAttachmentResponseHeader(response, realFileName);
            FileUtils.writeBytes(filePath, response.getOutputStream());
            if (delete) {
                FileUtils.deleteFile(filePath);
            }
        }
        catch (Exception e) {
            log.error("下载文件失败", e);
        }
    }

    /**
     * 通用上传请求（单个）
     */
    @PostMapping("/upload")
    public AjaxResult uploadFile(MultipartFile file,
                                 String bizType) throws Exception
    {
        try
        {
            String key = "";
            String suffixName = file.getOriginalFilename().substring(file.getOriginalFilename().lastIndexOf("."));
            Random rand = new Random();
            String filePrefix = DateUtil.format(new Date(),"yyyyMM")+ File.separator + DateUtil.format(new Date(),"ddHHmmss") +"_"+String.valueOf(rand.nextInt(9999));

            FileUploadUtils.assertAllowed(file, MimeTypeUtils.DEFAULT_ALLOWED_EXTENSION);

            String fileKey = filePrefix + suffixName;
            ossUtils.uploadFileStream(fileKey,file.getInputStream());

            TImportRecord importRecord = new TImportRecord();
            String batchId = SeqUtil.getSeqId();
            importRecord.setRecordId(batchId);
            if(StringUtils.isEmpty(bizType)){
                importRecord.setBizType("");
            } else {
                importRecord.setBizType(bizType);
            }

            importRecord.setTotalRecord(0L);
            importRecord.setErrorRecord(0L);
            importRecord.setStatus(ExportStatusEnum.SUBMIT_SUCCESS.getValue());
            importRecord.setFileUrl(host + "/"+ fileKey);
            importRecord.setCreateBy(String.valueOf(SecurityUtils.getUserId()));
            importRecord.setFileName(fileKey);
            importRecord.setFileOriName(file.getOriginalFilename());
            importRecordService.insertTImportRecord(file,importRecord);
            AjaxResult ajax = AjaxResult.success();
            ajax.put("fileId", batchId);
            ajax.put("fileUrl", host + "/"+ fileKey);
            ajax.put("originalFilename", file.getOriginalFilename());
            return ajax;
        }
        catch (Exception e)
        {
            return AjaxResult.error(e.getMessage());
        }
    }

    /**
     * 通用上传请求（多个）
     */
    @PostMapping("/uploads")
    public AjaxResult uploadFiles(List<MultipartFile> files,
                                  String bizType) throws Exception
    {
        try {
            // 上传文件路径
            String filePath = ProjectConfig.getUploadPath();
            List<String> fileIds = new ArrayList<String>();
            List<String> urls = new ArrayList<String>();
            List<String> fileNames = new ArrayList<String>();
            List<String> newFileNames = new ArrayList<String>();
            List<String> originalFilenames = new ArrayList<String>();
            for (MultipartFile file : files) {
                // 上传并返回新文件名称
                String fileName = FileUploadUtils.upload(filePath, file);
                String url = serverConfig.getUrl() + fileName;
                urls.add(url);
                fileNames.add(fileName);
                newFileNames.add(FileUtils.getName(fileName));
                originalFilenames.add(file.getOriginalFilename());

                TImportRecord importRecord = new TImportRecord();
                String batchId = SeqUtil.getSeqId();
                importRecord.setRecordId(batchId);
                if(StringUtils.isEmpty(bizType)){
                    importRecord.setBizType("");
                } else {
                    importRecord.setBizType(bizType);
                }
                importRecord.setTotalRecord(0L);
                importRecord.setErrorRecord(0L);
                importRecord.setStatus(ExportStatusEnum.SUBMIT_SUCCESS.getValue());
                importRecord.setFileUrl(url);
                importRecord.setCreateBy(String.valueOf(SecurityUtils.getUserId()));
                importRecord.setFileName(fileName);
                importRecord.setFileOriName(file.getOriginalFilename());
                importRecordService.insertTImportRecord(importRecord);

                fileIds.add(batchId);

            }
            AjaxResult ajax = AjaxResult.success();
            ajax.put("fileIds", StringUtils.join(fileIds, FILE_DELIMETER));
            ajax.put("urls", StringUtils.join(urls, FILE_DELIMETER));
            ajax.put("fileNames", StringUtils.join(fileNames, FILE_DELIMETER));
            ajax.put("newFileNames", StringUtils.join(newFileNames, FILE_DELIMETER));
            ajax.put("originalFilenames", StringUtils.join(originalFilenames, FILE_DELIMETER));
            return ajax;
        }
        catch (Exception e) {
            return AjaxResult.error(e.getMessage());
        }
    }

    /**
     * 本地资源通用下载
     */
    @GetMapping("/download/resource")
    public void resourceDownload(String resource, HttpServletRequest request, HttpServletResponse response)
            throws Exception
    {
        try
        {
            if (!FileUtils.checkAllowDownload(resource))
            {
                throw new Exception(StringUtils.format("资源文件({})非法，不允许下载。 ", resource));
            }
            // 本地资源路径
            String localPath = ProjectConfig.getProfile();
            // 数据库资源地址
            String downloadPath = localPath + StringUtils.substringAfter(resource, Constants.RESOURCE_PREFIX);
            // 下载名称
            String downloadName = StringUtils.substringAfterLast(downloadPath, "/");
            response.setContentType(MediaType.APPLICATION_OCTET_STREAM_VALUE);
            FileUtils.setAttachmentResponseHeader(response, downloadName);
            FileUtils.writeBytes(downloadPath, response.getOutputStream());
        }
        catch (Exception e)
        {
            log.error("下载文件失败", e);
        }
    }


}
